Physics – Mathematical Physics
Scientific paper
2006-02-12
Alg. Rev. Nucl. Sci, Vol.6, Nos 1 & 2 (2006) 9-20
Physics
Mathematical Physics
12 pages, no figures, to be published in Algerian Review of Nuclear Sciences
Scientific paper
We use the Hellman-Feynman (HF) and Hypervirial (HV) theorems, to calculate the perturbative coefficients of the eigenenergies formal series, in the case of the Coulomb potential with a radial linear term and the radial quartic anharmonic oscillator potential. This calculation method, contrary to the usual Rayleigh-Schrodinger Perturbation Theory (RSPT), does not require the calculation of eigenfunctions coefficients. This method is a fast and efficient tool for the calculation of large order eigenenergies coefficients.
Rekab S.
Zenine Nadjah
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